Visor heat resistance sheet protects up to 800oC belt for perfect face-fit FILTER Protects against smoke and noxious gases according to the EN403 norm Operation filter smoke hood Smoke and toxic gases like acrolein, ammoniac, methyl, benzene, phosgene, bromide, mustard gas, sarin and many others. Toxic gases Carbonmonoxide Carbondixide Fresh air Smoke filter Filtering toxic layer Catalytic layer Absorbing filter layer
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